Rockwell Automation 1756-RMxx ControlLogix Enhanced Redundancy System User Manual - Manual (Page 116)

116 Rockwell Automation Publication 1756-UM535D-EN-P - November 2012
Chapter 6 Configure the Redundancy Modules
Synchronization Tab The Synchronization Tab provides commands for these options:
• Changing the synchronization state of the system (synchronize or
disqualify)
• Initiating a switchover
• Forcing the disqualified secondary to become the primary
The commands available are described in the Commands in the Synchronization
Tab section on page 117 .
This tab also provides information about the last four synchronization attempts
in the Recent Synchronization Attempts log. Attempts are identified by N or N-
X. If the redundant chassis fail to synchronize, a cause is identified in the Recent
Synchronization Attempts log.
The causes and their interpretations are described in the Recent Synchronization
Attempts Log section on page 118 .